Update gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/controller Docker tag to v0.60.1

This MR contains the following updates:

Package	Type	Update	Change
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/controller		patch	v0.60.0 -> v0.60.1
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/controller	ironbank-docker	patch	v0.60.0 -> v0.60.1
gcr.io/tekton-releases/github.com/tektoncd/pipeline/cmd/controller	stage	patch	v0.60.0 -> v0.60.1

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